Is there a safe dental plaque index to prevent periodontal diseases related to plaque?: a systematic review and meta-analysis - Azevedo, Camila Lindoni; Silva, Louise Reis Vital da; Alencar, Camila Oliveira; Braga, Mariana Minatel; Biazevic, Maria Gabriela Haye; Crosato, Edgard Michel (Research, Society and Development, 2022)